Pasted

add_filter( 'woocommerce_variation_prices', 'custom_price', 10, 2 );
 
function custom_price($price, $product) {
    if (!is_user_logged_in()) return $price;
 
$user = wp_get_current_user();
 $roles = ( array ) $user->roles;
 return $roles;
 
    if ( $roles = 'Administrator' ){
            $price = $price * 0.5;
    }
 
    return $price;
}